Dock board



FIG. 1 is a perspective view of a dock board;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a back side view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines showing of various portions and other elements in the Figures are for the purpose of illustrating unclaimed portions and form no part of the claimed design. The stippling in the claimed design denotes a grit surface texture different from other surfaces of the claimed design. 

CLAIM The ornamental design for a dock board, as shown and described. 